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#include
<iostream>
using
namespace
std
;
int
factorial
(
int
n
) {
if
(n ==
1
) {
return
1
;
}
return
n *
factorial
(n -
1
);
}
int
main
() {
cout <<
factorial
(
3
) << endl;
// prints 6
return
0
;
}
Run
